Sealing tool for automobile nylon pipeline joint detection

Abstract

The utility model provides a sealing tool for detecting an automobile nylon pipeline joint, which comprises a seat body, two clamping handles and a first elastic piece, and is characterized in that the seat body is connected with a mandrel; the two clamping handles are rotationally connected to the seat body through a rotating shaft and symmetrically located on the two sides of the core shaft, and each clamping handle is provided with a handle part and a clamping part; the first elastic piece is connected between the two handle parts. According to the sealing tool for detecting the automobile nylon pipeline joint, the clamping part and the handle part are respectively arranged at the two sides of the rotating shaft, and the clamping part is arranged at the front, so that the problem that the size of a clamping position of a female joint to be detected is small is effectively solved, and the sealing tool is compact in structure, light in weight and convenient to use. The clamping part can quickly clamp or release the to-be-detected female joint by holding the handle part, and meanwhile, the mandrel is matched with the sealing ring arranged in the to-be-detected female joint for effective sealing, so that the detection requirement of the airtight process of a production line can be met, the action economy of operators can be improved, and the efficiency of the production line is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of joint sealing, and particularly relates to a sealing tool for detecting automobile nylon pipeline joint. BACKGROUND

[0002] As a core and key characteristic of the automobile nylon pipeline joint product, the sealing performance directly determines the sealing degree of the pipeline system to liquid (such as fuel, coolant, brake fluid, etc.) and gas (such as air conditioner refrigerant, etc.). Therefore, it is crucial to perform air tightness detection on the automobile nylon pipeline joint, and the sealing detection tool is an essential tool for ensuring detection accuracy and reliability.

[0003] The traditional sealing tool generally adopts a relatively bulky structure design, and the selected material is also heavy, aiming to ensure the durability and sealing performance of the tool. However, the quick plug-in joint in the automobile nylon pipeline is diverse, especially the right-angle female joint, which is light in quality and has a small clamping space size. The traditional sealing tool is prone to cause extrusion deformation of this type of joint, damaging the original structure of the joint, thereby affecting the sealing performance of the joint and leading to distorted detection results. At the same time, the traditional sealing tool is also difficult to adapt to this type of joint in terms of size, resulting in unsuccessful clamping and fixing of the joint in actual operation, and greatly reducing the detection efficiency. SUMMARY

[0004] The utility model embodiment provides a kind of sealing tool for detecting automobile nylon pipeline joint, can effectively solve the problem that the female joint to be measured clamping size is small, and its structure is compact, and quality is lighter, can quickly realize the sealing of female joint, improve the detection efficiency of pipeline.

[0005] To achieve the above object, the utility model adopts the technical scheme of: providing a kind of sealing tool for detecting automobile nylon pipeline joint, including seat body, two clamping handles and first elastic member, seat body is connected with the core shaft extending upwards, the core shaft is used to be inserted in female joint;Two clamping handles are rotationally connected on seat body by pivot, and are symmetrically located on the two sides of core shaft, and clamping handle has handle portion located on the lower side of pivot and clamping portion located on the upper side of clamping handle;First elastic member is connected between two handle portions, and first elastic member is used to elastically push two handle portions away from each other, so that two clamping portions are close to each other and are pressed on the outer peripheral wall of female joint.

[0006] As another embodiment of the utility model, the two sides of seat body are respectively provided with accommodating grooves that are through from top to bottom and have openings outward, and clamping handle is rotationally connected in accommodating groove by pivot.

[0007] As another embodiment of the utility model, guide hole is horizontally through on seat body, and guide hole is located below accommodating groove, and first elastic member is throughly arranged in guide hole.

[0008] As another embodiment of the utility model, the clamping part has a clamping jaw extending to one side of the mandrel, the clamping jaw is provided with a clamping groove matched with the outer peripheral wall of the female connector, and the lower end surface of the clamping jaw is used for clamping above the flange surface of the female connector.

[0009] As another embodiment of the utility model, the upper end surface of the mandrel is transitioned to the outer peripheral wall of the mandrel by an arc.

[0010] As another embodiment of the utility model, the top surface of the seat body is provided with a mounting hole opening upward, the lower end of the mandrel is connected in the mounting hole, the mandrel is provided with a positioning boss protruding outward, and the lower end surface of the positioning boss abuts against the top surface of the seat body.

[0011] As another embodiment of the utility model, the upper end surface of the positioning boss is connected with a sealing gasket ring, the sealing gasket ring is supported below the female connector and used for sealing the lower end surface of the female connector.

[0012] As another embodiment of the utility model, the seat body is connected with a fastener horizontally extending into the mounting hole, the outer peripheral wall of the mandrel is provided with a positioning plane extending along the axial direction thereof, and the inner end of the fastener abuts against the positioning plane.

[0013] As another embodiment of the utility model, the seat body is provided with a plug-in hole parallel to the rotating shaft and communicated with the mounting hole, the mandrel is provided with a second elastic member extending along the radial direction thereof and a positioning column connected to the outer end of the second elastic member, the positioning column is slidingly connected in the mandrel and can be plugged into the plug-in hole under the elastic thrusting action of the second elastic member.

[0014] As another embodiment of the utility model, the hole wall of the mounting hole is provided with an axially extending guide groove, the plug-in hole is arranged on the groove bottom wall of the guide groove, and the guide groove is used for guiding the positioning column into the plug-in hole.

[0015] The utility model provides a kind of automobile nylon pipeline joint detection sealing tool's beneficial effect lies in: compared with prior art, the utility model discloses a kind of automobile nylon pipeline joint detection sealing tool, by the two handle parts of gripping pressure clamping handle compression first elastic member, make two clamping parts open, core shaft is inserted into female joint, loosen handle part, first elastic member resets and pushes handle part to outside, make clamping part swing around rotation shaft and approach the vertical swing of core shaft side, so that two clamping parts are clamped on the outer circumferential wall of female joint, in this process, with the insertion of core shaft can be extruded to the sealing ring that female joint is internally provided, to realize the effective sealing of female joint.The sealing tool is by being arranged at the two sides of rotation shaft respectively with clamping part and handle part, and make clamping part front, effectively solve the problem that the clamping dimension of female joint to be measured is small, and its structure is compact, and the quality is lighter, by gripping handle part, the quick clamping or release of clamping part to female joint to be measured can be realized, simultaneously, using core shaft cooperates the sealing ring that female side female joint is internally provided to effectively seal, can meet the detection demand of production line air-tightness procedure, and can improve the motion economy of operator, to improve production line efficiency, with high market promotion and application value. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 The installation state structure diagram of the sealing tool for detecting the automobile nylon pipeline joint provided by the utility model embodiment is shown in the figure.

[0018] Figure 2 The structure diagram of the sealing tool for detecting the automobile nylon pipeline joint provided by the utility model embodiment is shown in the figure.

[0019] Figure 3 The main view cross-sectional structure diagram of the sealing tool for detecting the automobile nylon pipeline joint provided by the utility model embodiment is shown in the figure.

[0020] Figure 4 The side view cross-sectional structure diagram of the sealing tool for detecting the automobile nylon pipeline joint provided by the utility model embodiment is shown in the figure.

[0021] Figure 5 The structure diagram of another embodiment of the utility model embodiment is shown in the figure. Figure 4

[0022] Figure 6 The structure diagram of another embodiment of the utility model embodiment is shown in the figure. Figure 5 ​Structure diagram of the middle base body.

[0023] In the drawings, reference numerals:

[0024] 1, seat body; 11, guide hole; 12, mounting hole; 121, guide groove; 13, plug hole; 131, chamfer; 2, mandrel; 21, positioning boss; 22, gasket ring; 23, positioning plane; 24, positioning column; 25, second elastic member; 3, clamping handle; 31, handle part; 32, clamping part; 321, clamping jaw; 322, clamping groove; 4, rotating shaft; 5, first elastic member; 6, fastener; 10, right-angle female connector; 101, flange surface. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0026] It should be noted that when an element is referred to as being "disposed on" another element, it can be directly on the other element or indirectly on the other element. It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. The terms "first", "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or several features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0027] Please see Figures 1 to 6The utility model provides a kind of sealing tool for automobile nylon pipeline joint detection, which is described as follows.The sealing tool for automobile nylon pipeline joint detection includes a seat body 1, two clamping handles 3 and a first elastic member 5.The seat body 1 is connected with a core shaft 2 extending upward, which is used for inserting into the female joint.Two clamping handles 3 are rotatably connected to the seat body 1 through a pivot 4 and symmetrically located on both sides of the core shaft 2.The clamping handle 3 has a handle part 31 located below the pivot 4 and a clamping part 32 located above the pivot 4.The first elastic member 5 is connected between the two handle parts 31, which is used for elastically pushing the two handle parts 31 away from each other to make the two clamping parts 32 close to each other and press on the outer peripheral wall of the female joint.

[0028] Compared with the prior art, the sealing tool for automobile nylon pipeline joint detection provided in the embodiment allows the two handle parts 31 of the clamping handle 3 to compress the first elastic member 5, opens the two clamping parts 32, inserts the core shaft 2 into the female joint, loosens the handle part 31, resets the first elastic member 5 and pushes the handle part 31 outward, makes the clamping part 32 vertically swing around the pivot 4 to the side close to the core shaft 2, and thus clamps the two clamping parts 32 on the outer peripheral wall of the female joint.During this process, the insertion of the core shaft 2 can extrude the sealing ring inside the female joint, thereby achieving effective sealing of the female joint.The sealing tool places the clamping part 32 and the handle part 31 on both sides of the pivot 4 respectively and makes the clamping part 32 protrude forward, effectively solves the problem of small clamping size of the female joint to be tested, has compact structure and light weight, can quickly clamp or release the female joint to be tested by holding the handle part 31, simultaneously uses the core shaft 2 to cooperate with the sealing ring inside the female joint to achieve effective sealing, can meet the detection requirements of the production line air tightness process and improve the motion economy of the operator, thereby improving the production line efficiency and having high market promotion and application value.

[0029] In the embodiment, the two handle parts 31 are gripped to compress the first elastic member 5, the two clamping parts 32 are rotated outward around the pivot 4 to move away from each other, and the right-angle female joint 10 is easily installed.The core shaft 2 is effectively inserted into the inner cavity of the right-angle female joint 10, the handle part 31 is loosened, the first elastic member 5 is reset and pushes the handle part 31 outward, thereby making the two clamping parts 32 close to each other and clamp on the outer peripheral wall of the right-angle female joint 10, and at this time, the sealing tool is installed in place.The air inlet end of the pipeline assembly with the right-angle female joint 10 is connected to the detection equipment, the equipment is started for sealing detection, after detection, the two handle parts 31 are gripped again to release the right-angle female joint 10, and the core shaft 2 is pulled out in the direction away from the pipeline.

[0030] As a specific implementation of the sealing tool for automobile nylon pipeline joint detection provided by the utility model, please refer toFigure 2 Two sides of the seat body 1 are respectively provided with an accommodating groove which is vertically through and opens outward, and the clamping handle 3 is rotationally connected to the accommodating groove through the rotating shaft 4.

[0031] In the embodiment, the accommodating groove is arranged on the seat body 1, the middle part of the clamping handle 3 is arranged in the accommodating groove, and the seat body 1 is rotationally connected with the clamping handle 3 through the rotating shaft 4 which penetrates the clamping handle 3, so that the sealing tool structure is more compact and reasonable, and the use performance is improved.

[0032] As a specific embodiment of the sealing tool for detecting the automobile nylon pipeline joint provided by the utility model, referring to Figure 2 and Figure 3 , the seat body 1 is horizontally penetrated by a guide hole 11, the guide hole 11 is located below the accommodating groove, and the first elastic member 5 is penetrated and arranged in the guide hole 11.

[0033] In the embodiment, the seat body 1 adopts a T-shaped structure, the two accommodating grooves are located at opposite ends of the T-shaped structure, and the guide hole 11 is located at the lower end of the T-shaped structure, so that the positional relationship between the two clamping handles 3 and the first elastic member 5 is reasonably arranged, and the structure is simple and compact, has good aesthetic appearance and convenient use.

[0034] As a specific embodiment of the sealing tool for detecting the automobile nylon pipeline joint provided by the utility model, referring to Figure 1 , Figure 2 and Figure 3 , the clamping part 32 has a clamping jaw 321 extending to one side of the mandrel 2, the clamping jaw 321 is provided with a clamping groove 322 matched with the outer peripheral wall of the female joint, and the lower end face of the clamping jaw 321 is used for clamping above the flange surface 101 of the female joint.

[0035] In the embodiment, after the clamping handle part 31 inserts the mandrel 2 into the female joint, the handle part 31 is loosened, the clamping jaw 321 is clamped on the outer peripheral wall of the female joint under the action of the first elastic member 5. Figure 2 or Figure 3As shown, the elastic pad of rubber material can be arranged in the clamping groove 322, which can increase the friction force, is suitable for the outer peripheral wall of the female connector of different sizes, and can protect the outer peripheral wall of the female connector from being scratched by the clamping jaw 321.

[0036] In addition, when the clamping jaw 321 is clamped on the outer peripheral wall of the female connector, the lower end surface of the clamping jaw 321 can be clamped above the flange surface 101 of the female connector, so that the reliable clamping and sealing of the female connector can be ensured.

[0037] As a specific embodiment of the sealing tool for detecting the female nylon pipe connector of the automobile, referring to Figure 2 The upper end surface of the mandrel 2 is transitioned to the outer peripheral wall of the mandrel 2 by using a circular arc.

[0038] In the embodiment, the upper end of the mandrel 2 is transitioned to the outer peripheral wall of the mandrel 2 by using a circular arc, and the size of the circular arc is preferably R1.5~R3, so that the mandrel 2 can be smoothly inserted into the inner cavity of the female connector and the sealing ring built-in the female connector is not scratched.

[0039] As a specific embodiment of the sealing tool for detecting the female nylon pipe connector of the automobile, referring to Figure 3 The lower end of the mandrel 2 is connected in the mounting hole 12, the mandrel 2 is provided with the positioning boss 21 protruding outward, and the lower end surface of the positioning boss 21 abuts against the top surface of the seat body 1.

[0040] In the embodiment, the lower end of the mandrel 2 is connected to the mounting hole 12 in a detachable manner, so that the mandrel 2 can be replaced, and the mandrel 2 is suitable for female connectors of different sizes. After the mandrel 2 is installed in the mounting hole 12, the positioning boss 21 on the mandrel 2 can abut against the top surface of the seat body 1, which helps to ensure the perpendicularity of the mandrel 2 during installation and improves the stability of the mandrel 2.

[0041] In addition, for female connectors of different sizes, not only the diameter of the mandrel 2 needs to be adapted to the inner diameter of the female connector, but also the height of the positioning boss 21 needs to be adapted to the height of the flange surface 101 of the female connector, so that the clamping jaw 321 on the clamping handle 3 can be clamped above the flange surface 101 of the female connector.

[0042] As a specific embodiment of the sealing tool for detecting the female nylon pipe connector of the automobile, referring to Figure 1 Or Figure 2 The upper end surface of the positioning boss 21 is connected with the sealing gasket ring 22, the sealing gasket ring 22 is supported below the female connector and is used for sealing the lower end surface of the female connector.

[0043] In the embodiment, the sealing gasket ring 22 is made of rubber, and when the mandrel 2 is inserted into the inner cavity of the female connector, the lower end surface of the female connector is pressed on the sealing gasket ring 22, so that the sealing gasket ring 22 can assist in sealing the lower end surface of the female connector, and the lower end surface of the female connector is protected from being worn by the positioning boss 21.

[0044] As a specific embodiment of the sealing tool for detecting the automobile nylon pipeline joint, referring to Figure 4 , the fastener 6 horizontally extends into the mounting hole 12, the positioning plane 23 extends along the axial direction of the mandrel 2, and the inner end of the fastener 6 is pressed on the positioning plane 23.

[0045] In the embodiment, the detachable connection between the mandrel 2 and the seat body 1 is realized by the fastener 6 penetrating the side wall of the seat body 1, and the fastener 6 is a set screw. When the lower end of the mandrel 2 is installed into the mounting hole 12, the positioning plane 23 on the mandrel 2 faces the side of the fastener 6, the fastener 6 is tightened, the inner end of the fastener 6 is pressed on the positioning plane 23, and the mandrel 2 is fixed.

[0046] As a specific embodiment of the sealing tool for detecting the automobile nylon pipeline joint, referring to Figure 5 , the seat body 1 is provided with the insertion hole 13 which is parallel to the rotating shaft 4 and communicates with the mounting hole 12, the mandrel 2 is provided with the second elastic member 25 which extends in the radial direction of the mandrel 2 and the positioning column 24 which is connected to the outer end of the second elastic member 25, and the positioning column 24 is slidingly connected in the mandrel 2 and can be inserted into the insertion hole 13 under the elastic pushing action of the second elastic member 25.

[0047] In the embodiment, under the elastic pushing action of the second elastic member 25, the outer end of the positioning column 24 can protrude from the outer peripheral wall of the mandrel 2, when the mandrel 2 is installed into the mounting hole 12, the positioning column 24 needs to be pressed to retract, so that the mandrel 2 can be smoothly inserted into the mounting hole 12, when the mandrel 2 is installed in place, the positioning boss 21 is pressed on the top surface of the seat body 1, and the positioning column 24 can be coaxial with the insertion hole 13, at this time, the positioning column 24 is slidingly outward to be inserted into the insertion hole 13 under the action of the second elastic member 25, and then the mandrel 2 is fixed. When the mandrel 2 is disassembled, the positioning column 24 can be pressed from the outside of the seat body 1 to make it separate from the insertion hole 13, and then the mandrel 2 can be pulled out of the mounting hole 12.

[0048] Specifically, the lower end of the mandrel 2 is provided with a radially extending stepped hole, the second elastic member 25 is located in the stepped hole, and the inner end of the positioning column 24 is slidingly connected in the stepped hole. The positioning column 24 can be provided with one or two, when the positioning column 24 is provided with two, the two positioning columns 24 are respectively connected to the two ends of the second elastic member 25, and correspondingly, the insertion hole 13 on the seat body 1 is also provided with two, the two positioning columns 24 are inserted into the two insertion holes 13 one by one, which can increase the stability of the installation of the mandrel 2.

[0049] As a specific embodiment of the sealing tool for detecting the automobile nylon pipeline joint provided by the utility model, referring to Figure 5 and Figure 6 , the hole wall of the mounting hole 12 is provided with an axially extending guide groove 121, the insertion hole 13 is arranged on the groove bottom wall of the guide groove 121, and the guide groove 121 is used for guiding the positioning column 24 to enter the insertion hole 13.

[0050] In the embodiment, when the mandrel 2 is installed, the positioning column 24 can be aligned with the guide groove 121 first, and the groove bottom wall of the guide groove 121 is used for extruding the positioning column 24, then the mandrel 2 is inserted downward along the guide groove 121, when the positioning column 24 is coaxial with the insertion hole 13, the second elastic member 25 pushes the positioning column 24 to insert into the insertion hole 13, and the rapid installation of the mandrel 2 is realized. The guide groove 121 can be provided with two corresponding positioning columns 24 to increase the stability of the installation of the mandrel 2.

[0051] Further, the inner peripheral wall of the insertion hole 13 and the groove bottom wall of the guide groove 121 are transitioned by the chamfer 131, so as to better guide the positioning column 24 to insert into the insertion hole 13, and when the positioning column 24 is extruded from the outside of the seat body 1, it is helpful to make the positioning column 24 separate from the insertion hole 13, so as to realize the rapid disassembly of the mandrel 2.

[0052] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A sealing fixture for testing automotive nylon pipe joints, characterized in that, include: A base body is connected to an upwardly extending spindle, the spindle being inserted into a female connector; Two clamping handles are rotatably connected to the base body via a rotating shaft and are symmetrically located on both sides of the spindle. Each clamping handle has a handle portion located on the lower side of the rotating shaft and a clamping portion located on the upper side of the clamping handle. A first elastic element is connected between the two handle portions. The first elastic element is used to elastically push the two handle portions away from each other so that the two locking portions come closer to each other and press against the outer peripheral wall of the female connector.

2. The sealing fixture for testing automotive nylon pipe joints as described in claim 1, characterized in that, The base has a through-hole on both sides with an outward opening, and the clamping handle is rotatably connected to the through-hole via the pivot.

3. The sealing fixture for testing automotive nylon pipe joints as described in claim 2, characterized in that, A guide hole is horizontally penetrating the base, and the guide hole is located below the receiving groove. The first elastic element is disposed through the guide hole.

4. The sealing fixture for testing automotive nylon pipe joints as described in claim 1, characterized in that, The clamping part has a claw extending toward one side of the mandrel. The claw has a clamping groove adapted to the outer peripheral wall of the female connector. The lower end face of the claw is used to clamp and limit the connection above the flange face of the female connector.

5. A sealing fixture for testing automotive nylon pipe joints as described in claim 1, characterized in that, The upper end face of the mandrel and the outer peripheral wall of the mandrel are connected by a circular arc transition.

6. A sealing fixture for testing automotive nylon pipe joints as described in claim 1, characterized in that, The top surface of the base is provided with an upward-opening mounting hole, and the lower end of the mandrel is connected to the mounting hole. The mandrel is provided with a positioning boss that protrudes outward, and the lower end face of the positioning boss abuts against the top surface of the base.

7. A sealing fixture for testing automotive nylon pipe joints as described in claim 6, characterized in that, The upper end face of the positioning boss is connected to a sealing gasket ring, which is supported below the female connector and used to seal the lower end face of the female connector.

8. A sealing fixture for testing automotive nylon pipe joints as described in claim 6, characterized in that, The base is connected to a fastener that extends horizontally into the mounting hole. The outer peripheral wall of the spindle is provided with a positioning plane that extends axially therein, and the inner end of the fastener abuts against the positioning plane.

9. A sealing fixture for testing automotive nylon pipe joints as described in claim 6, characterized in that, The base is provided with a plug hole that is parallel to the rotating shaft and communicates with the mounting hole. The spindle is provided with a second elastic element that extends radially therein and a positioning post connected to the outer end of the second elastic element. The positioning post is slidably connected to the spindle and can be inserted into the plug hole under the elastic pushing action of the second elastic element.

10. A sealing fixture for testing automotive nylon pipe joints as described in claim 9, characterized in that, The mounting hole has an axially extending guide groove on its wall, and the insertion hole is located on the bottom wall of the guide groove. The guide groove is used to guide the positioning post into the insertion hole.

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